1420707931 has 2 divisors, whose sum is σ = 1420707932. Its totient is φ = 1420707930.

The previous prime is 1420707923. The next prime is 1420707961. The reversal of 1420707931 is 1397070241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1420707931 - 2³ = 1420707923 is a prime.

It is a super-2 number, since 2×1420707931² = 4036822050412601522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1420707961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710353965 + 710353966.

It is an arithmetic number, because the mean of its divisors is an integer number (710353966).

Almost surely, 2^1420707931 is an apocalyptic number.

1420707931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420707931 is an equidigital number, since it uses as much as digits as its factorization.

1420707931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1420707931 is about 37692.2794614494. The cubic root of 1420707931 is about 1124.1776194926.

The spelling of 1420707931 in words is "one billion, four hundred twenty million, seven hundred seven thousand, nine hundred thirty-one".